MCQ
A beaker is completely filled with water at $4^{\circ} \mathrm{C}$. It will overflow if
- AHeated above $4^{\circ} \mathrm{C}$
- BCooled below $4^{\circ} \mathrm{C}$
- ✓Both heated and cooled above and below $4^{\circ} \mathrm{C}$ respectively
- DNone of the above
